1-Butyn-3-yl radical

• Formula: C₄H₅
• Molecular weight: 53.0825
• IUPAC Standard InChI: InChI=1S/C4H5/c1-3-4-2/h1,4H,2H3 Copy

  
• IUPAC Standard InChIKey: ULVFVBQUCTUAPR-UHFFFAOYSA-N Copy
• CAS Registry Number: 3315-42-2
• Chemical structure:
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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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